27685956 has 12 divisors (see below), whose sum is σ = 64600592. Its totient is φ = 9228648.

The previous prime is 27685949. The next prime is 27685967. The reversal of 27685956 is 65958672.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1153570 + ... + 1153593.

Almost surely, 2^27685956 is an apocalyptic number.

It is an amenable number.

27685956 is an abundant number, since it is smaller than the sum of its proper divisors (36914636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27685956 is a wasteful number, since it uses less digits than its factorization.

27685956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307170 (or 2307168 counting only the distinct ones).

The product of its digits is 907200, while the sum is 48.

The square root of 27685956 is about 5261.7445776092. The cubic root of 27685956 is about 302.5193612815.

The spelling of 27685956 in words is "twenty-seven million, six hundred eighty-five thousand, nine hundred fifty-six".